Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Idaho
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Grangeville
M/R-D
121.9 m
9.60 km
2,636 km
Hells Canyon
M-Dz
2743 m (barometer)
1.60 km
3,057 km
Pullman
M/R-D
121.9 m
9.60 km
2,611 km